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    <title>牛逼答，答题答题，我最牛逼</title>
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    <img src="dian.jpg" alt="牛逼答"/>
    <h1>一个免费的答题工具</h1>
    <h3>开发团队：小颖酱超甜</h3>
    <h3>成员：谢美，阚佳期，尚荣，田颖，陈金梅，张碧，陈芳</h3>
        <h1>用例图</h1>
               <img src="nend.png" />
           <h1>数据流程</h1>
             <img src="math.png" />
           <h1>数据字典</h1>
                <h3>成绩=题目分数的总和</h3>
                 <h3>题目=老师上传的试卷</h3>
                <h3>答案=学生填写答案+老师填写答案</h3>
      <h1>原型界面</h1>
       <img src="1.png" />
           <img src="2.png" />
               <img src="3.png" />
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